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A Mysterious Ring in Dark Space?

文献类型：期刊论文

作者Zhang, Wei1; Yang, Fan1; Wu, Hong1; Wu, Chaojian1; Zou, Hu1; Zhang, Tianmeng1; Zhou, Xu1; Lei, Fengjie1; Jin, Junjie2; Zhou, Zhimin1
刊名ASTROPHYSICAL JOURNAL
出版日期2020-04-01
卷号893期号:2页码:12
关键词Diffuse nebulae Reflection nebulae Ring nebulae Runaway stars Neutral hydrogen clouds Interstellar medium Planetary nebulae Interstellar dust extinction Dark interstellar clouds
ISSN号0004-637X
DOI10.3847/1538-4357/ab7c5a
英文摘要We report the discovery of a low-surface-brightness (27.42 mag arcsec(-2) in g band) nebula, which has a ring-like shape in the Beijing-Arizona Sky Survey (BASS). Positive detections have been found in multiband data from far-ultraviolet to far-infrared, except the z band from BASS and W1, W2 from the Wide-field Infrared Survey Explorer. The reddening of the nebula E(B - V) similar to 0.02 mag is estimated from Infrared Astronomical Satellite (IRAS) 100 mu m intensity and H i column density. With the help of the 3D reddening map from Pan-STARRS 1, the Two Micron All Sky Survey, and Gaia, the distance to the nebula of about 500 pc from Earth is derived. Such a low-surface-brightness nebula whose energy can be interpreted by the diffuse Galactic light could account for the optical counterpart of the infrared cirrus, which was detected by IRAS more than 30 yr ago. The ring-like structure might be the ultimate phase of an evolved planetary nebula, while the central white dwarf star has been ejected from the nebula for an unclear reason. On the other hand, the ring structure being a superposition of two close filaments might be another reasonable explanation. Considering the lack of spectroscopic data and uncertainty in the distance measurement, these interpretations need to be checked by future observations.
WOS关键词PLANETARY-NEBULAE ; MILKY-WAY ; EMISSION ; GALAXY ; IRAS ; EXTINCTION ; EXPLORER ; CIRRUS ; CLOUD ; SYSTEM
资助项目National Natural Science Foundation of China (NSFC)[11733006] ; NSFC[U1531118] ; Chinese Academy of Sciences (CAS)[U1531118] ; National Key R&D Program of China[2017YFA0402704] ; National Astronomical Observatories of China ; Chinese Academy of Sciences[XDB09000000] ; Ministry of Finance ; External Cooperation Program of the Chinese Academy of Sciences[114A11KYSB20160057] ; Chinese National Natural Science Foundation[11433005]
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:000529947000001
出版者IOP PUBLISHING LTD
资助机构National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; NSFC ; NSFC ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; National Key R&D Program of China ; National Key R&D Program of China ; National Astronomical Observatories of China ; National Astronomical Observatories of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Ministry of Finance ; Ministry of Finance ; External Cooperation Program of the Chinese Academy of Sciences ; External Cooperation Program of the Chinese Academy of Sciences ; Chinese National Natural Science Foundation ; Chinese National Natural Science Foundation ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; NSFC ; NSFC ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; National Key R&D Program of China ; National Key R&D Program of China ; National Astronomical Observatories of China ; National Astronomical Observatories of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Ministry of Finance ; Ministry of Finance ; External Cooperation Program of the Chinese Academy of Sciences ; External Cooperation Program of the Chinese Academy of Sciences ; Chinese National Natural Science Foundation ; Chinese National Natural Science Foundation ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; NSFC ; NSFC ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; National Key R&D Program of China ; National Key R&D Program of China ; National Astronomical Observatories of China ; National Astronomical Observatories of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Ministry of Finance ; Ministry of Finance ; External Cooperation Program of the Chinese Academy of Sciences ; External Cooperation Program of the Chinese Academy of Sciences ; Chinese National Natural Science Foundation ; Chinese National Natural Science Foundation ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; NSFC ; NSFC ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; National Key R&D Program of China ; National Key R&D Program of China ; National Astronomical Observatories of China ; National Astronomical Observatories of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Ministry of Finance ; Ministry of Finance ; External Cooperation Program of the Chinese Academy of Sciences ; External Cooperation Program of the Chinese Academy of Sciences ; Chinese National Natural Science Foundation ; Chinese National Natural Science Foundation
源URL[http://ir.bao.ac.cn/handle/114a11/55226]  
专题中国科学院国家天文台
通讯作者Zhang, Wei
作者单位1.Chinese Acad Sci, Key Lab Opt Astron, Natl Astron Observ, Beijing 100101, Peoples R China
2.Peking Univ, Sch Phys, Dept Astron, Beijing 100871, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, Wei,Yang, Fan,Wu, Hong,et al. A Mysterious Ring in Dark Space?[J]. ASTROPHYSICAL JOURNAL,2020,893(2):12.
APA Zhang, Wei.,Yang, Fan.,Wu, Hong.,Wu, Chaojian.,Zou, Hu.,...&Wang, Jiali.(2020).A Mysterious Ring in Dark Space?.ASTROPHYSICAL JOURNAL,893(2),12.
MLA Zhang, Wei,et al."A Mysterious Ring in Dark Space?".ASTROPHYSICAL JOURNAL 893.2(2020):12.

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来源：国家天文台

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